Level
From MUME
With every new level, practice points become available, that can be used in guilds to learn new skills.
The command Level lists the experience and travel points required for your current level and for a few higher levels.
Example:
Level 1 1 exp, 0 tp Level 2 1000 exp, 100 tp Level 3 3000 exp, 300 tp Level 4 7000 exp, 600 tp Level 5 14500 exp, 1000 tp